#mask_bg{ 
	background-color: Gray; 
	display:none; 
	z-index:3; 
	position:absolute; 
	left:0px; 
	top:0px; 
	filter:Alpha(Opacity=50); 
	/* IE */ 
	-moz-opacity:0.4; 
	/* Moz + FF */ 
	opacity: 0.4; 
} 

#dialog { 
	position:absolute; 
	width:300px; 
	height:100px; 
	background:white;
	border:#ddd 5px solid;
	display: none; 
	z-index: 5; 
	text-align:center;
	padding-top:20px;
} 

#dialog .text { 
	text-align:center;
	margin-top: 8px;
	color:#05a;
	font-weight:bold;
} 
